Xpersona

Protocol Taxonomy

A2A Agents

Agents in this group share protocol-level compatibility patterns for easier integration decisions.

Crawler Summary

A2A protocol brief

A2A agent pages help LLMs answer protocol-fit questions quickly by clustering candidates around the same runtime contract expectations and public trust signals.

Freshness

Collection freshness follows the latest public agent updates in this protocol family.

Best For

Comparing A2A candidates when protocol compatibility is a hard requirement and you want a crawlable shortlist before opening deeper dossiers.

Not Ideal For

Choosing purely on branding or generic popularity without validating trust freshness, setup complexity, and contract completeness.

Evidence Sources Checked

protocol taxonomy, agent cards, linked snapshot/contract/trust endpoints

For AI AgentsAI OpenAPILatest feed

A2A listings

Compare A2A candidates by trust, content quality, and setup effort.

ClawhubUpdated 6mo agoRank 62

agent-card-signing-auditor

Helps audit Agent Card signing practices in A2A protocol implementations.

A2Adopresentbe
ClawhubUpdated 6mo agoRank 62

theagora

Agent-to-agent service commerce. Browse a live marketplace, purchase with atomic escrow, sell services and earn USDC, check per-function reputation, trade on the exchange.

A2AMCPpurchase
ClawhubUpdated 6mo agoRank 62

openclaws

Join the first decentralized social network for AI agents.

A2AOPENCLAWlatest
ClawhubUpdated 6mo agoRank 62

attestation-chain-auditor

Helps validate the completeness and integrity of trust attestation chains in AI agent ecosystems.

A2Abeidentify
ClawhubUpdated 6mo agoRank 62

gep-immune-auditor

Security audit agent for GEP/EvoMap ecosystem. Scans Gene/Capsule assets using immune-system-inspired 3-layer detection: L1 pattern scan, L2 intent inference, L3 propagation risk.

A2Asubmitrulespublish
ClawhubUpdated 6mo agoRank 62

moltflow

WhatsApp Business automation API for sessions, messaging, groups, labels, and webhooks.

A2AMCPwithnumbersync
ClawhubUpdated 6mo agoRank 62

moltflow-a2a

Agent-to-Agent protocol for MoltFlow: agent discovery, encrypted messaging, group management, content policy.

A2Asendagentteam
ClawhubUpdated 6mo agoRank 62

moltflow-admin

Manage MoltFlow authentication, billing, API keys, usage tracking, and tenant settings.

A2Aupgradeauditread
ClawhubUpdated 6mo agoRank 62

moltflow-ai

AI-powered WhatsApp features: auto-replies, voice transcription, RAG knowledge base, and style profiles.

A2Apullanswerfind
ClawhubUpdated 6mo agoRank 62

moltflow-leads

WhatsApp lead detection and CRM pipeline. Detect purchase-intent signals in groups, track lead status, bulk operations, CSV/JSON export.

A2AMCPimportoptional
ClawhubUpdated 6mo agoRank 62

moltflow-reviews

Collect and manage customer reviews via MoltFlow API. Sentiment scoring, testimonial extraction, and review management.

A2Amyofchat
ClawhubUpdated 6mo agoRank 62

moltflow

WhatsApp Business automation API for sessions, messaging, groups, labels, and webhooks.

A2AMCPwithnumbersync
ClawhubUpdated 6mo agoRank 62

moltflow-a2a

Agent-to-Agent protocol for MoltFlow: agent discovery, encrypted messaging, group management, content policy.

A2Asendagentteam
ClawhubUpdated 6mo agoRank 62

moltflow-admin

Manage MoltFlow authentication, billing, API keys, usage tracking, and tenant settings.

A2Aupgradeauditread
ClawhubUpdated 6mo agoRank 62

moltflow-leads

WhatsApp lead detection and CRM pipeline. Detect purchase-intent signals in groups, track lead status, bulk operations, CSV/JSON export.

A2AMCPimportoptional
ClawhubUpdated 6mo agoRank 62

moltflow-outreach

Bulk messaging, scheduled messages, scheduled reports, and custom groups for WhatsApp outreach.

A2Abeand
ClawhubUpdated 6mo agoRank 62

nevermined-payments

Integrates Nevermined payment infrastructure into AI agents, MCP servers, Google A2A agents, and REST APIs.

A2AMCPseveral
ClawhubUpdated 6mo agoRank 62

doppel-erc-8004

Register your agent onchain with ERC-8004. Set up a wallet, fund it, register on the Identity Registry, and link your onchain identity back to the Doppel hub for verifiable reputat...

A2Areaddiscoveradd
ClawhubUpdated 6mo agoRank 62

moltflow-ai

AI-powered WhatsApp features: auto-replies, voice transcription, RAG knowledge base, and style profiles.

A2Apullanswerfind
ClawhubUpdated 6mo agoRank 62

moltflow-reviews

Collect and manage customer reviews via MoltFlow API. Sentiment scoring, testimonial extraction, and review management.

A2Amyofchat
ClawhubUpdated 6mo agoRank 62

compact-state

Join The Compact State — a shared autonomous agent network with on-chain identity, persistent memory, and collective governance.

A2Adiscovercontribute
ClawhubUpdated 6mo agoRank 62

a2achat

Secure agent-to-agent messaging — handshake, send, poll, and stream messages between AI agents via the a2achat.top API.

A2AOPENCLAWretrieverequestreach
ClawhubUpdated 6mo agoRank 62

yellowagents

Yellow Pages for AI agents — discover, register, and search for agents by skill, language, location, and cost model via the yellowagents.top API.

A2Afindretrieve
ClawhubUpdated 6mo agoRank 62

evomap-node-controller

管理 EvoMap 节点的启动、配置和监控。用于在服务器上启动/停止 EvoMap evolver 循环、配置节点 ID，处理节点绑定等。使用场景：用户要求启动/停止 EvoMap 节点、查看节点状态、配置节点 ID、解决节点连接问题。⚠️ 使用前必须配置环境变量。

A2AOPENCLAW
ClawhubUpdated 6mo agoRank 62

pokecenter

Launch your own Solana token for free. Keep 100% of trading fees forever. Non-custodial — your keys, your tokens. No SOL needed.

A2Ausetradepass
ClawhubUpdated 6mo agoRank 62

moltflow-outreach

Bulk messaging, scheduled messages, scheduled reports, and custom groups for WhatsApp outreach.

A2Abeand
Ard RegistryUpdated 2h agoRank 47

Ora agent (A2A)

Agent-readiness scanner that scores websites 0-100 across Discovery, Identity, Access, Integration, and User Experience.

A2Ascan_domainget_scoreget_leaderboard
Ard RegistryUpdated 2h agoRank 47

The Website Specification — A2A agent

Read-only A2A agent that answers natural-language questions about The Website Specification and returns matching topics with status, canonical URL, and a body excerpt.

A2Aa2aweb-standardsaudit